45004290 has 16 divisors (see below), whose sum is σ = 108010368. Its totient is φ = 12001136.

The previous prime is 45004249. The next prime is 45004291. The reversal of 45004290 is 9240054.

It is a super-2 number, since 2×45004290² = 4050772236808200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 45004290.

It is not an unprimeable number, because it can be changed into a prime (45004291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 750042 + ... + 750101.

It is an arithmetic number, because the mean of its divisors is an integer number (6750648).

Almost surely, 2^45004290 is an apocalyptic number.

45004290 is an abundant number, since it is smaller than the sum of its proper divisors (63006078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45004290 is a wasteful number, since it uses less digits than its factorization.

45004290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500153.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 45004290 is about 6708.5236825996. The cubic root of 45004290 is about 355.7006331063.

The spelling of 45004290 in words is "forty-five million, four thousand, two hundred ninety".